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Old 28-05-2019, 05:48   #1
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Teak Deck Repair

Hello,

I need to glue down a small section of teak decking and have two questions.

1) For the bedding adhesive, I can't locate a small amount of Sikaflex 298. Can I use 3M 4200? Or what is another readily available alternative?

2) The seam caulk is currently some type of tan color. Does anyone know of a suitable tan caulk? The closest I can find is Masterseal NP1, will that work?

Thanks!
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Old 28-05-2019, 07:26   #2
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Re: Teak Deck Repair

3M 4200 Fast Cure Polyurethane/Adhesive Sealant can be softened by some teak cleaners and sealers, and is not recommended for sealing teak decks.

Sikaflex-290 DC PRO is designed for the caulking of teak decks.

Sikaflex-298 is designed for full-surface bonding for sealing teak planks on bridges. This product is not intended for caulking teak decks.

See the ➥ sika marine application guide teak decking - Sika AG

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Old 28-05-2019, 07:31   #3
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Re: Teak Deck Repair

Quote:
Originally Posted by GordMay View Post
3M 4200 Fast Cure Polyurethane/Adhesive Sealant can be softened by some teak cleaners and sealers, and is not recommended for sealing teak decks.

Sikaflex-290 DC PRO is designed for the caulking of teak decks.

Sikaflex-298 is designed for full-surface bonding for sealing teak planks on bridges. This product is not intended for caulking teak decks.
Thank you. Perhaps I was a little unclear.

I am proposing:

4200 in lieu of Sikaflex 298 and
NP1 in lieu of Sikaflex 290DC PRO

Is this acceptable?

I think Sikaflex 290 DC Pro is only available in black color.
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Old 28-05-2019, 07:43   #4
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Re: Teak Deck Repair

Quote:
Originally Posted by GordMay View Post
3M 4200 Fast Cure Polyurethane/Adhesive Sealant can be softened by some teak cleaners and sealers, and is not recommended for sealing teak decks...

“MasterSeal NP 1 should not come in contact with oil-based caulking, uncured silicone sealants, polysulfides, or fillers impregnated with oil, asphalt or tar.”
https://www.bestmaterials.com/PDF_Files/np1_tdg.PDF

NP-1 may be similar to other polyurethane’s (4200), in regard to teak.
I’d ask BASF technical Service: 1 (800) 243-6739

Practical Sailor’ magazine recommends thickened epoxy adhesive (WEST) for laying the deck, and a polysulfide (Life-Caulk) for caulking.
https://www.practical-sailor.com/new...e-10454-1.html

Using WEST SYSTEMŽ 105/206 with 404 High-Density Filler & 423 Graphite Powder
See Chapter 6 ➥ https://www.westsystem.com/wp-conten...anual-2015.pdf
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Old 28-05-2019, 08:00   #5
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Re: Teak Deck Repair

3M 5200 comes in a tan color. Or used to anyway. Yes it will be hard to get up if you ever have to, but it's doable.
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